3857255 has 8 divisors (see below), whose sum is σ = 4670352. Its totient is φ = 3058048.

The previous prime is 3857233. The next prime is 3857263. The reversal of 3857255 is 5527583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3857255 - 2⁸ = 3856999 is a prime.

It is a super-2 number, since 2×3857255² = 29756832270050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849 + ... + 3978.

It is an arithmetic number, because the mean of its divisors is an integer number (583794).

Almost surely, 2^3857255 is an apocalyptic number.

3857255 is a deficient number, since it is larger than the sum of its proper divisors (813097).

3857255 is a wasteful number, since it uses less digits than its factorization.

3857255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945.

The product of its digits is 42000, while the sum is 35.

The square root of 3857255 is about 1963.9895620904. The cubic root of 3857255 is about 156.8289074280.

The spelling of 3857255 in words is "three million, eight hundred fifty-seven thousand, two hundred fifty-five".